Nissan Qashqai DPF filter clogging up and not regenerating

<p>I've owned my 2015 Nissan Qashqai for 18 months. Over this period I've had book my car in to Nissan service dealerships 7 times! Every time its the Diesel Particle Filter (DPF) that clogged up and needs cleaning (aka regeneration). </p> <p> </p> <p>I am meticulous about using the right diesel (50ppm) and going for on open road drive on a weekly basis to allow the system to burn clean the DPF. </p> <p> </p> <p>But still it blocks up regularly. I've been to multiple dealerships to resolve i, but the issue remains. So there is definitely Nissan defect! And its systemic as many other Qashqai owners i've spoken to has the same issue. Yet Nissan SA is just silent on the issue with no rolution in sight.</p> <p> </p> <p>When are you going to fix this issue? </p>